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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
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US477393814 oct. 198627 sept. 1988Bayer AktiengesellschaftFinely divided isometric hexaferrite pigments with a W-structure, processes for their preparation and their use
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US550032029 août 199419 mars 1996Eastman Kodak CompanyHigh speed developer compositions with ferrite carriers
US551240429 août 199430 avr. 1996Eastman Kodak CompanyDeveloper compositions exhibiting high development speeds
US590222030 mars 199811 mai 1999Reclining chair with exercising function
US622854917 mai 20008 mai 2001Heidelberg Digital L.L.C.Magnetic carrier particles
US623202617 mai 200015 mai 2001Heidelberg Digital L.L.C.Magnetic carrier particles
US658970311 mai 20018 juil. 2003Heidelberger Druckmaschinen AGElectrographic methods using hard magnetic carrier particles
US661045126 déc. 200026 août 2003Heidelberger Druckmaschinen AGDevelopment systems for magnetic toners having reduced magnetic loadings
US66928806 mai 200217 févr. 2004Heidelberger Druckmaschinen AGElectrophotographic toner with stable triboelectric properties
US672348111 mai 200120 avr. 2004Heidelberger Druckmaschinen AG
NexPress Solutions LLC
Method for using hard magnetic carriers in an electrographic process
US676613631 mars 200320 juil. 2004Eastman Kodak CompanyDevelopment systems for magnetic toners and toners having reduced magnetic loadings
US67974483 mai 200228 sept. 2004Eastman Kodak CompanyElectrophotographic toner and development process with improved image and fusing quality
US701663223 juin 200321 mars 2006Eastman Kodak CompanyElectrophotographic toner and development process using chemically prepared toner
US70337202 juin 200425 avr. 2006Eastman Kodak CompanyDevelopment systems for magnetic toners and toners having reduced magnetic loadings
US705663712 juin 20036 juin 2006Eastman Kodak CompanyElectrophotographic toner with uniformly dispersed wax
US708735518 mars 20058 août 2006Eastman Kodak CompanyElectrophotographic toner containing polyalkylene wax or high crystallinity wax
US731469613 juin 20011 janv. 2008Eastman Kodak CompanyElectrophotographic toner and development process with improved charge to mass stability
US746540921 sept. 200516 déc. 2008Eastman Kodak CompanyHard magnetic core particles and a method of making same
US814794826 oct. 20103 avr. 2012Eastman Kodak CompanyPrinted article